Sink-drain water stop



J. G. BINDER sINK DRAIN WATER STOP Filed Sent. 17 1923 l/I/I/I'If- /N VEN 7"@4@ JAcob G- .Ea l NDEQ ATT'/VEY Patented et. 7, 124.

.races e. nimma, or 330mm',

sinn-naam waarna s'ror.

vApplication mea september 17, leas. serial no. 663,140.

To allwhom'z'tmy concern:

Be it known that I, JAco G. BINDER, a citizen of the United States, residing at Bromley, inl the county of Kenton and State of Kentucky, have invented certain new and useful Improvements in Sink- Drain Water Stops, of which the following isa specification. i l

. My invention relates to improvements -in vylter stops for sinks, bath tubs and the e. The objects of my invention are to provide a simple, efficient, convenient and easily operated device for controlling the passage of water from the sink to the waste water pipe.

Another object of my .invention is to provide a water stop having its -top flush with the sink bottom, thereby avoiding unintentional release of the stopper.

My invention consists particularly in meansy for closing the opening between the sink proper and the waste water pipe, with a plug*- or stopper arranged beneath the outlet plate.

My invention further consists in the details of construction and in the parts and combination and arrangement of parts, as herein set forth and claimed.

In the drawing:

Fig. 1 is a central vertical section of my invention applied to a sink taken on line 1-1 of Fig. 4;

Fig. 2 is a perspective view of the drain plate and stopper;

Fig. 3 is a perspective view of a part of the drain plate and stopper partly broken away to show the coil spring encircling the stem of said stopper; and

Fig. 4 is a plan view of my invention.

Fig. 5 is a view of a key.

In the embodiment of my invention as illustrated and which shows a preferred construction I provide a tube 1 having ange 2 which fits vin opening 3 of sink bottom 4 and su ports said tube therein. Tube 1 is provide with annular seat 5, internal threads 6 and external threads 7 and is secured to the sink bottom by lock ring nut 8.

Duct 9 has flange 10 which is adapted to rest on annular seat 5 when its threads 11 are screwed into engagement with internal threads 6.v Duct 9 is provided u on its upper end with key sockets 12 an u on its lower end with web support 13 havlng be inserted lor removed from tube 1 'hole 14 centrally therethrough. Duct 9 may by \means of key 15' (Fig.- 5).

\ The upper end of waste wateror drain pipe 16 v1s provided with lateral flange 17 and with taper-seat 1 8. Rubber or fiber washer 19 is interposed between the lower end of tube 1- and the upper side of lateral flange 17. Ring coupling nut 2 0 having flange 21 is screwed onto said tube untll said fiange tightly engages lateral {iange 17 whereby said tubes are firmly secured to ether.

rain plate or disk 22 is provided with a plurality of drain outlets 23. Said plate is centrally dishedwhereby depression 24 lis formed upon'v its upper side. A bail 25 extends through two of the outlets 23 and its lower ends are provided with retaining knobs 26. The handle end of the bail drops into the depression when in its lower position, but in spaced Iapart relation from the bottom of said depression whereby it may be readily grasped by the thumb and finger for the purpose of pulling the drain plate from lower to upper posi'tlon. l.

Drain plate 22 is provided upon its lower side with stein 27 which is preferably screwed into threaded socket 28. Said stem is provided with threaded end29 and shoulder 30and is encircled by` coil spring 31 which is housed from water by tube 32 secured to the. lower-side of drain plate 22 and telescopes over tube 33 having internal Hange 34 against which the lower end of said coil spring bears to normally hold the drain plate in its upper or water discharging position. Said telescoping tube is disposed centrally of said drain plate and has its upper end closed, the drain outlets 23 extendlng through the drain plate outside. thereof in order that water and sediment from the sink may be excluded from the interior of -said telescoping tube thus protecting the coil spring and permitting it freedom of action. The plug or stopper 35 com rises a hollow downwardly tapered flexi le rubber rim 36 interposed between upper concave-convex centrally orificed brass shield 37 and 4lead core 38 having internally threaded hole 39 extending vertically therethrough and is adapted to be screwed onto threaded end 29 of stem 27 where it is securely held against shoulder 30 by lock nut 40. The rubber rim 36 is shaped to snugly fit in taper seat 18 as lstopper is depressed whereby the water or other liquid is retained'in 7 the'sink bowl.

Coil spring 31 is of just sufficient expansible i strength to normally hold plate or disk 22 in elevated position as shown in Fig. 1.

When said disk is depressed to the posltion indicated by dotted lines in Fig. 1 the frictional engagement of stopper 35 with seat 18 holds it in closed position against the tension of coil spring 31.

'lhe operation of the device is as follows: `When it is desired ,to release the stopper to open the drain simply pull upward o-n the handle of bail 25 thereby disengagiug stopper 35 from taper seat 18 whereupon the drain is opened for'the discharge of water therethrough. When it is desired to close theV drain7 merely press downwardly upon drain plate 22 until stopper 25 carried on stem I27' attached to said drain plate trictionally engages taper seat 18 to the position shown by dotted lines in Fig. 1 whereupon said frictional engagement will hold the stopper in closed .position whereby water is retained in the sink.

When the plug is in open position the top of the dra-in plate and handle are flush with the upper surface of the sink bottom and when said stopper is in closed position said drain plate and. handle are considerably below said sink surface, as shown by dotted lines in Fig. 1.

There are no upwardly projecting fastening parts by which the device is secured to the sink bottom but the upper surface of the device is always either flush therewith or partly below the upper surface of said bottom so that there is no upwardly projecting part to interfere with articles, such as dishes, which may be placed in the sink, or to obstruct the free use of the sink for its intended purposes.

An advantage of the invention consists in the removable `feature of the duct which carries the drain plate and plug thus permitting its convenient removal upwardlythrough the sink for repairs and this is accomplished by engaging key 15 in key sockets 12 and turning the key for removing or inserting the duct as the case may be.

Another advantage of the invention consists in the provision of means whereby the ordinary chain attached to a stopper is eliminated.

My invention is simple in construction, compact in arrangement and convenient in operation.

While l have shown and described a particular construction, combination and arrangement of parts, it will be understood that my invention is capable oit modification without departing from its scope or spirit as defined in the claims.

What l claim as new anddesire to secure by Letters Patent is:I v

Lplln a sink drain water stop, a sink having a drain outlet, a tube mounted therein with its top substantially Hush with the upper surface ot the sink bottom, a drain pipe, means for coupling said tube to said' pipe` a duct mounted in said tube with its upper end flush therewith, a supporting web depending from said duct and having a hole centrally therethrough, a perforated vere tically slidable drain plate mounted in said duct`r a stopper connected to said drain plate and spaced apart therefrom, a spring interposed between said drain plate and web to normally hold said drain plate in upper position and a drop handle whereby said duct and stopper are adapted to be raised from closed to open position.

2. lin a sink drain water stop, a sink having a drain outlet, a tube mounted therein with its'top substantially Hush with the upper surface of the sink bottom, a drain pipe,means `for coupling said tube and pipe, a duct mounted in said tube with its upper end lush therewith, a supporting web depending from said duct and having a hole therethrough, a stem attached to said drain plate and extending downwardly therefrom,

'a stopper secured to said stem, a flanged tube mounted over said stem upon said web, a tube attached to said drainplate and extending downwardly therefrom telescopically over said flanged tube, a coil spring interposed between said stem and said telescopic tubes and having one end engaging said drain plate and the other end engaging1 said flanged tube whereby said drain plate is normally held in its upper position, a stopper attached to 'said stem. a seat tor said stopper. and a drop handle whereby said drain plate and stopper are adapted to be raised from closed to open position.

3. ln a sink drain water stop, a sink having a drain outlet. a tube mounted therein and depending therefrom` a drain pipe attached to said tube and having a' seat in its upper end, a duct mounted in said tube and having an orifced web depending therefrom, a detachable stem depending from said drain plate, a coil spring embracing said tube between said drain plate and web, a Hanged tube surrounding said coil spring and engaging the lower end thereof, a tube depending from said drain plate and telescopically engaging said flanged tube, a stopper mounted on said stem and means for moving said ldrain plate and stopper vertically for the purpose of opening and closing said drain.

4. ln a 'sink drain water stop, a sink having a drain outlet and a tube mounted therein and having a flange whereby itsupper end is supported flush with the upper sur- :tace of the bottom of said sink, a lock ring eef nut mounted on said tube a inst the lower surface of said sink where y said tube is held in secure position, a duct screwed into said tube and having its top flush therewith, an orificed web depending from said duct, a perforated sink drain plate mounted in Said duct, a stem depending from said drain plate through said web, a coil spring surrounding said stem between said drain plate and web, a telescopic tube surrounding said coil spring, a stopper on said stem and means for slidably moving said drain plate and stopper.

5. In a sink drain water stop, a Sink having a drain outlet, a tube mounted therein and having its top substantially fush with the upper surface of said sink bottom, a

drain pipe connected to said tube, a duet having key sockets therein whereby it is adapted to be screwed into said tube with its top flush therewith, a perforated drain plate yieldably and slidably mounted in said duct and having its upper surface dished, a drop bail extending through perforations in said drain plate and having its handle adapted to rest substantially flush with the upper surface of said drain plate and having retaining knobs upon its lower ends, a stem attached to said drain plate, a stopper upon said stem and a telescopic tube adapt ed to house said yieldable means, substantially as set forth and for the purposes specified.

JACOB Gr, BNDER. 

